Carrier Access Broadmore 1750 - Manual (Page 212)

8-24 Broadmore 1750 - Release 4.6
Maintenance and Troubleshooting
Flowchart
Figure 8-3: APM Major Alarm Troubleshooting Flowchart
A P M M a j o r A l a r m T r o u b l e s h o o t i n g F l o w c h a r t
From 1
NIM Major Alarm?
CPU Failure ?
SAM Major Alarm?
Review Alarm
Summary and System
log- gather all pertinent
info and call Customer
Service
No
No
No
Yes
Yes
1A
Return to 1
1B
Use loopbacks to verify
alarm condition
Check following most likely
causes/correct as necessary:
-equipment cable connectors
-NIM configuration
-reseat NIM module
-replace NIM module
Alarm Clears? Yes
No
1A
1B
Reset CPU from front
panel switch
Alarm Clears ?
Check following most likely causes/
correct as necessary:
-cable connector to CPU/CPU I/O
-reseat CPU/CPU I/O modules
-replace CPU
Yes
No
1B
Alarm Clears ? 1B
1A
Yes
No
Yes
-Use loopbacks to isolate
-Check equipment cables
-Check configuration
-Reseat module
-Replace module
Alarm Clears ?
No
Yes
1A
1B